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<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Object属性和方法</title>
	<script type="text/javascript">
		var d = new Date();
		console.info(d);
		console.info(d.constructor==Date);
		console.info((typeof d =="object")&&(d.constructor==Date));
		console.info((typeof d =="object")&&(d instanceof Date));
		console.info(d.toString());
		console.info(d.valueOf());
		var s={x:1,y:2}.toString();
		console.info(s);

		var  classA={

		}
	</script>
</head>
<body>
	
</body>
</html>